[ OK ] Started OpenBSD Secure Shell server. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Started Update UTMP about System Runlevel Changes. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.185' (ECDSA) to the list of known hosts. 2021/08/14 20:58:38 parsed 1 programs 2021/08/14 20:58:39 executed programs: 0 syzkaller login: [ 1585.259172][ T8446] chnl_net:caif_netlink_parms(): no params data found [ 1585.306273][ T8446] bridge0: port 1(bridge_slave_0) entered blocking state [ 1585.315462][ T8446] bridge0: port 1(bridge_slave_0) entered disabled state [ 1585.324683][ T8446] device bridge_slave_0 entered promiscuous mode [ 1585.334485][ T8446] bridge0: port 2(bridge_slave_1) entered blocking state [ 1585.341604][ T8446] bridge0: port 2(bridge_slave_1) entered disabled state [ 1585.350018][ T8446] device bridge_slave_1 entered promiscuous mode [ 1585.369524][ T8446] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 1585.380416][ T8446] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 1585.402979][ T8446] team0: Port device team_slave_0 added [ 1585.409977][ T8446] team0: Port device team_slave_1 added [ 1585.427023][ T8446] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 1585.434119][ T8446] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1585.460507][ T8446] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 1585.475236][ T8446] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 1585.482295][ T8446] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1585.508852][ T8446] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 1585.534894][ T8446] device hsr_slave_0 entered promiscuous mode [ 1585.541509][ T8446] device hsr_slave_1 entered promiscuous mode [ 1585.636884][ T8446] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 1585.647241][ T8446] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 1585.658071][ T8446] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 1585.668129][ T8446] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 1585.689599][ T8446] bridge0: port 2(bridge_slave_1) entered blocking state [ 1585.696751][ T8446] bridge0: port 2(bridge_slave_1) entered forwarding state [ 1585.704442][ T8446] bridge0: port 1(bridge_slave_0) entered blocking state [ 1585.711490][ T8446] bridge0: port 1(bridge_slave_0) entered forwarding state [ 1585.749637][ T8446] 8021q: adding VLAN 0 to HW filter on device bond0 [ 1585.763113][ T2953] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 1585.775246][ T2953] bridge0: port 1(bridge_slave_0) entered disabled state [ 1585.784622][ T2953] bridge0: port 2(bridge_slave_1) entered disabled state [ 1585.793609][ T2953] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 1585.807527][ T8446] 8021q: adding VLAN 0 to HW filter on device team0 [ 1585.818526][ T8667] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 1585.828922][ T8667] bridge0: port 1(bridge_slave_0) entered blocking state [ 1585.836044][ T8667] bridge0: port 1(bridge_slave_0) entered forwarding state [ 1585.848191][ T2953] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 1585.856841][ T2953] bridge0: port 2(bridge_slave_1) entered blocking state [ 1585.863974][ T2953] bridge0: port 2(bridge_slave_1) entered forwarding state [ 1585.883274][ T2953] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 1585.892551][ T2953] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 1585.903548][ T8657] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 1585.915587][ T8667] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 1585.927784][ T8446] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 1585.940168][ T8446] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 1585.949310][ T2953] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 1585.968730][ T8446] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 1585.976776][ T8668] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 1585.985137][ T8668] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 1586.003379][ T2953] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 1586.023047][ T8668] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 1586.031345][ T8668] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 1586.040240][ T8668] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 1586.050246][ T8446] device veth0_vlan entered promiscuous mode [ 1586.062751][ T8446] device veth1_vlan entered promiscuous mode [ 1586.083630][ T8657] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 1586.091640][ T8657] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 1586.101601][ T8657] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 1586.114399][ T8446] device veth0_macvtap entered promiscuous mode [ 1586.124418][ T8446] device veth1_macvtap entered promiscuous mode [ 1586.140092][ T8446] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 1586.147641][ T8668] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 1586.157643][ T8668] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 1586.168959][ T8446] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 1586.177073][ T8668] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 1586.190381][ T8446] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 1586.200674][ T8446] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 1586.209843][ T8446] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 1586.221497][ T8446] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 1586.303440][ T137] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 1586.311488][ T137] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 1586.327781][ T8657] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 1586.354921][ T10] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 1586.363825][ T10] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 1586.377248][ T8657] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 1587.113903][ T8657] Bluetooth: hci0: command 0x0409 tx timeout 2021/08/14 20:58:44 executed programs: 86 [ 1589.192479][ T8668] Bluetooth: hci0: command 0x041b tx timeout [ 1591.282679][ T2953] Bluetooth: hci0: command 0x040f tx timeout [ 1593.361535][ T8668] Bluetooth: hci0: command 0x0419 tx timeout 2021/08/14 20:58:49 executed programs: 277 [ 1596.721484][ T2953] Bluetooth: hci0: command 0x0405 tx timeout 2021/08/14 20:58:54 executed programs: 466 2021/08/14 20:58:59 executed programs: 707 [ 1606.961744][ T3258] ieee802154 phy0 wpan0: encryption failed: -22 [ 1606.961867][ T3258] ieee802154 phy1 wpan1: encryption failed: -22 2021/08/14 20:59:04 executed programs: 1057 2021/08/14 20:59:09 executed programs: 1423 2021/08/14 20:59:14 executed programs: 1775 2021/08/14 20:59:19 executed programs: 2123 2021/08/14 20:59:24 executed programs: 2477 2021/08/14 20:59:29 executed programs: 2854 [ 1635.110440][ T8657] ================================================================== [ 1635.118507][ T8657] BUG: KASAN: use-after-free in __lock_acquire+0xfe/0x6100 [ 1635.125806][ T8657] Read of size 8 at addr ffff88802dd020a0 by task kworker/1:2/8657 [ 1635.133763][ T8657] [ 1635.136067][ T8657] CPU: 1 PID: 8657 Comm: kworker/1:2 Not tainted 5.14.0-rc5-syzkaller #0 [ 1635.144451][ T8657] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1635.154486][ T8657] Workqueue: events l2cap_chan_timeout [ 1635.159977][ T8657] Call Trace: [ 1635.163279][ T8657] dump_stack_lvl+0x1ae/0x29f [ 1635.167970][ T8657] ? show_regs_print_info+0x12/0x12 [ 1635.173156][ T8657] ? printk+0xc0/0x108 [ 1635.177236][ T8657] ? wake_up_klogd+0xb2/0xf0 [ 1635.181804][ T8657] ? log_buf_vmcoreinfo_setup+0x498/0x498 [ 1635.187591][ T8657] ? _raw_spin_lock_irqsave+0xbf/0x100 [ 1635.193335][ T8657] ? _raw_spin_lock+0x40/0x40 [ 1635.197988][ T8657] print_address_description+0x66/0x3b0 [ 1635.203545][ T8657] kasan_report+0x163/0x210 [ 1635.208026][ T8657] ? __lock_acquire+0xfe/0x6100 [ 1635.212858][ T8657] __lock_acquire+0xfe/0x6100 [ 1635.217513][ T8657] ? del_timer+0x7e/0x390 [ 1635.221854][ T8657] ? rcu_read_lock_sched_held+0x87/0x110 [ 1635.227542][ T8657] ? __bpf_trace_rcu_stall_warning+0x10/0x10 [ 1635.233501][ T8657] ? trace_lock_acquire+0x190/0x190 [ 1635.238681][ T8657] ? mark_lock+0x199/0x1eb0 [ 1635.243163][ T8657] ? __bfs+0x700/0x700 [ 1635.247213][ T8657] ? do_raw_spin_unlock+0x134/0x8a0 [ 1635.252388][ T8657] ? _raw_spin_lock_irqsave+0xbf/0x100 [ 1635.257828][ T8657] ? rcu_read_lock_sched_held+0x87/0x110 [ 1635.263435][ T8657] ? __bpf_trace_rcu_stall_warning+0x10/0x10 [ 1635.269389][ T8657] ? del_timer+0x14f/0x390 [ 1635.273786][ T8657] lock_acquire+0x182/0x4a0 [ 1635.278269][ T8657] ? lock_sock_nested+0x48/0x110 [ 1635.283247][ T8657] ? read_lock_is_recursive+0x10/0x10 [ 1635.288603][ T8657] ? print_irqtrace_events+0x220/0x220 [ 1635.294057][ T8657] ? rcu_read_lock_sched_held+0x87/0x110 [ 1635.299670][ T8657] ? __local_bh_disable_ip+0x130/0x1c0 [ 1635.305169][ T8657] ? __bpf_trace_softirq+0x10/0x10 [ 1635.310276][ T8657] ? cancel_delayed_work+0x252/0x360 [ 1635.315574][ T8657] ? lockdep_hardirqs_on+0x8d/0x130 [ 1635.320761][ T8657] ? cancel_delayed_work+0x2be/0x360 [ 1635.326037][ T8657] ? lock_sock_nested+0x48/0x110 [ 1635.330980][ T8657] _raw_spin_lock_bh+0x31/0x40 [ 1635.335728][ T8657] ? lock_sock_nested+0x48/0x110 [ 1635.340644][ T8657] lock_sock_nested+0x48/0x110 [ 1635.345382][ T8657] l2cap_sock_teardown_cb+0x76/0x360 [ 1635.350699][ T8657] l2cap_chan_del+0xaf/0x610 [ 1635.355267][ T8657] ? l2cap_chan_close+0x8b/0x520 [ 1635.360196][ T8657] l2cap_chan_timeout+0x12c/0x280 [ 1635.365198][ T8657] process_one_work+0x833/0x10c0 [ 1635.370160][ T8657] ? worker_detach_from_pool+0x260/0x260 [ 1635.375775][ T8657] ? _raw_spin_lock_irqsave+0x100/0x100 [ 1635.381297][ T8657] ? kthread_data+0x4d/0xc0 [ 1635.385781][ T8657] ? wq_worker_running+0x8b/0x140 [ 1635.390823][ T8657] worker_thread+0xac1/0x1320 [ 1635.395495][ T8657] ? __kthread_parkme+0x166/0x1c0 [ 1635.400510][ T8657] kthread+0x453/0x480 [ 1635.404573][ T8657] ? rcu_lock_release+0x20/0x20 [ 1635.409398][ T8657] ? kthread_blkcg+0xd0/0xd0 [ 1635.413965][ T8657] ret_from_fork+0x1f/0x30 [ 1635.418381][ T8657] [ 1635.420698][ T8657] Allocated by task 16879: [ 1635.425211][ T8657] ____kasan_kmalloc+0xc4/0xf0 [ 1635.429954][ T8657] kmem_cache_alloc_trace+0x96/0x340 [ 1635.435217][ T8657] l2cap_chan_create+0x4c/0x480 [ 1635.440051][ T8657] l2cap_sock_alloc+0x136/0x1d0 [ 1635.444878][ T8657] l2cap_sock_create+0x113/0x1d0 [ 1635.449792][ T8657] bt_sock_create+0x15b/0x220 [ 1635.454508][ T8657] __sock_create+0x580/0x8d0 [ 1635.459107][ T8657] __sys_socket+0x115/0x350 [ 1635.463584][ T8657] __x64_sys_socket+0x76/0x80 [ 1635.468238][ T8657] do_syscall_64+0x3d/0xb0 [ 1635.472662][ T8657] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1635.478528][ T8657] [ 1635.480826][ T8657] Freed by task 16878: [ 1635.484886][ T8657] kasan_set_track+0x3d/0x70 [ 1635.489454][ T8657] kasan_set_free_info+0x1f/0x40 [ 1635.494372][ T8657] ____kasan_slab_free+0x109/0x150 [ 1635.499460][ T8657] slab_free_freelist_hook+0x1d8/0x290 [ 1635.504897][ T8657] kfree+0xcf/0x2e0 [ 1635.508680][ T8657] l2cap_sock_release+0x159/0x1c0 [ 1635.513688][ T8657] sock_close+0xd8/0x260 [ 1635.517915][ T8657] __fput+0x352/0x7b0 [ 1635.521957][ T8657] task_work_run+0x146/0x1c0 [ 1635.526531][ T8657] exit_to_user_mode_prepare+0x201/0x220 [ 1635.532157][ T8657] syscall_exit_to_user_mode+0x26/0x60 [ 1635.537605][ T8657] do_syscall_64+0x4c/0xb0 [ 1635.542006][ T8657] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1635.547881][ T8657] [ 1635.550216][ T8657] The buggy address belongs to the object at ffff88802dd02000 [ 1635.550216][ T8657] which belongs to the cache kmalloc-2k of size 2048 [ 1635.564496][ T8657] The buggy address is located 160 bytes inside of [ 1635.564496][ T8657] 2048-byte region [ffff88802dd02000, ffff88802dd02800) [ 1635.577839][ T8657] The buggy address belongs to the page: [ 1635.583445][ T8657] page:ffffea0000b74000 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x2dd00 [ 1635.593569][ T8657] head:ffffea0000b74000 order:3 compound_mapcount:0 compound_pincount:0 [ 1635.601866][ T8657] flags: 0xfff00000010200(slab|head|node=0|zone=1|lastcpupid=0x7ff) [ 1635.609866][ T8657] raw: 00fff00000010200 dead000000000100 dead000000000122 ffff888011042000 [ 1635.618424][ T8657] raw: 0000000000000000 0000000000080008 00000001ffffffff 0000000000000000 [ 1635.627063][ T8657] page dumped because: kasan: bad access detected [ 1635.633445][ T8657] page_owner tracks the page as allocated [ 1635.639129][ T8657] page last allocated via order 3, migratetype Unmovable, gfp_mask 0xd20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 2953, ts 1586722448298, free_ts 1586719359759 [ 1635.658569][ T8657] get_page_from_freelist+0x779/0xa30 [ 1635.664016][ T8657] __alloc_pages+0x26c/0x5f0 [ 1635.668588][ T8657] allocate_slab+0xf1/0x540 [ 1635.673082][ T8657] ___slab_alloc+0x1cf/0x350 [ 1635.677647][ T8657] __kmalloc_node_track_caller+0x2f4/0x410 [ 1635.683514][ T8657] __alloc_skb+0x127/0x580 [ 1635.687912][ T8657] alloc_skb_with_frags+0xab/0x660 [ 1635.693000][ T8657] sock_alloc_send_pskb+0x930/0xa70 [ 1635.698189][ T8657] mld_newpack+0x19b/0x9d0 [ 1635.702628][ T8657] add_grec+0x1178/0x15c0 [ 1635.706940][ T8657] mld_ifc_work+0x70d/0xc70 [ 1635.711419][ T8657] process_one_work+0x833/0x10c0 [ 1635.716401][ T8657] worker_thread+0xac1/0x1320 [ 1635.721048][ T8657] kthread+0x453/0x480 [ 1635.725102][ T8657] ret_from_fork+0x1f/0x30 [ 1635.729496][ T8657] page last free stack trace: [ 1635.734138][ T8657] free_pcp_prepare+0xc29/0xd20 [ 1635.738975][ T8657] free_unref_page+0x7e/0x550 [ 1635.743626][ T8657] unfreeze_partials+0x18c/0x1e0 [ 1635.748544][ T8657] put_cpu_partial+0xd2/0x210 [ 1635.753282][ T8657] __slab_free+0x3a8/0x6b0 [ 1635.757685][ T8657] ___cache_free+0xfc/0x120 [ 1635.762160][ T8657] kasan_quarantine_reduce+0x151/0x1c0 [ 1635.767591][ T8657] __kasan_slab_alloc+0x2f/0xd0 [ 1635.772423][ T8657] __kmalloc+0x229/0x390 [ 1635.776647][ T8657] tomoyo_realpath_from_path+0xd8/0x610 [ 1635.782223][ T8657] tomoyo_path_perm+0x201/0x650 [ 1635.787045][ T8657] security_inode_getattr+0xc0/0x140 [ 1635.792325][ T8657] vfs_statx+0x188/0x3d0 [ 1635.796572][ T8657] __se_sys_newlstat+0xab/0x770 [ 1635.801393][ T8657] do_syscall_64+0x3d/0xb0 [ 1635.805784][ T8657] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1635.811655][ T8657] [ 1635.813960][ T8657] Memory state around the buggy address: [ 1635.819564][ T8657] ffff88802dd01f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 1635.827599][ T8657] ffff88802dd02000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 1635.835634][ T8657] >ffff88802dd02080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 1635.843666][ T8657] ^ [ 1635.848747][ T8657] ffff88802dd02100: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 1635.856780][ T8657] ffff88802dd02180: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 1635.864824][ T8657] ================================================================== [ 1635.872859][ T8657] Disabling lock debugging due to kernel taint [ 1635.878979][ T8657] Kernel panic - not syncing: panic_on_warn set ... [ 1635.885544][ T8657] CPU: 1 PID: 8657 Comm: kworker/1:2 Tainted: G B 5.14.0-rc5-syzkaller #0 [ 1635.895327][ T8657] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1635.905377][ T8657] Workqueue: events l2cap_chan_timeout [ 1635.910870][ T8657] Call Trace: [ 1635.914137][ T8657] dump_stack_lvl+0x1ae/0x29f [ 1635.918839][ T8657] ? show_regs_print_info+0x12/0x12 [ 1635.924062][ T8657] ? log_buf_vmcoreinfo_setup+0x498/0x498 [ 1635.929850][ T8657] panic+0x2e1/0x850 [ 1635.933725][ T8657] ? nmi_panic+0x90/0x90 [ 1635.937941][ T8657] ? _raw_spin_unlock_irqrestore+0xc1/0x120 [ 1635.943810][ T8657] ? rcu_read_lock_sched_held+0x87/0x110 [ 1635.949423][ T8657] ? __bpf_trace_rcu_stall_warning+0x10/0x10 [ 1635.955377][ T8657] kasan_report+0x206/0x210 [ 1635.959856][ T8657] ? __lock_acquire+0xfe/0x6100 [ 1635.964681][ T8657] __lock_acquire+0xfe/0x6100 [ 1635.969334][ T8657] ? del_timer+0x7e/0x390 [ 1635.973640][ T8657] ? rcu_read_lock_sched_held+0x87/0x110 [ 1635.979246][ T8657] ? __bpf_trace_rcu_stall_warning+0x10/0x10 [ 1635.985204][ T8657] ? trace_lock_acquire+0x190/0x190 [ 1635.990388][ T8657] ? mark_lock+0x199/0x1eb0 [ 1635.994866][ T8657] ? __bfs+0x700/0x700 [ 1635.998911][ T8657] ? do_raw_spin_unlock+0x134/0x8a0 [ 1636.004083][ T8657] ? _raw_spin_lock_irqsave+0xbf/0x100 [ 1636.009692][ T8657] ? rcu_read_lock_sched_held+0x87/0x110 [ 1636.015298][ T8657] ? __bpf_trace_rcu_stall_warning+0x10/0x10 [ 1636.021252][ T8657] ? del_timer+0x14f/0x390 [ 1636.025651][ T8657] lock_acquire+0x182/0x4a0 [ 1636.030136][ T8657] ? lock_sock_nested+0x48/0x110 [ 1636.035062][ T8657] ? read_lock_is_recursive+0x10/0x10 [ 1636.040407][ T8657] ? print_irqtrace_events+0x220/0x220 [ 1636.045839][ T8657] ? rcu_read_lock_sched_held+0x87/0x110 [ 1636.051454][ T8657] ? __local_bh_disable_ip+0x130/0x1c0 [ 1636.056900][ T8657] ? __bpf_trace_softirq+0x10/0x10 [ 1636.061998][ T8657] ? cancel_delayed_work+0x252/0x360 [ 1636.067266][ T8657] ? lockdep_hardirqs_on+0x8d/0x130 [ 1636.072444][ T8657] ? cancel_delayed_work+0x2be/0x360 [ 1636.077706][ T8657] ? lock_sock_nested+0x48/0x110 [ 1636.082621][ T8657] _raw_spin_lock_bh+0x31/0x40 [ 1636.087361][ T8657] ? lock_sock_nested+0x48/0x110 [ 1636.092311][ T8657] lock_sock_nested+0x48/0x110 [ 1636.097055][ T8657] l2cap_sock_teardown_cb+0x76/0x360 [ 1636.102407][ T8657] l2cap_chan_del+0xaf/0x610 [ 1636.106974][ T8657] ? l2cap_chan_close+0x8b/0x520 [ 1636.111884][ T8657] l2cap_chan_timeout+0x12c/0x280 [ 1636.116918][ T8657] process_one_work+0x833/0x10c0 [ 1636.121836][ T8657] ? worker_detach_from_pool+0x260/0x260 [ 1636.127461][ T8657] ? _raw_spin_lock_irqsave+0x100/0x100 [ 1636.132979][ T8657] ? kthread_data+0x4d/0xc0 [ 1636.137455][ T8657] ? wq_worker_running+0x8b/0x140 [ 1636.142461][ T8657] worker_thread+0xac1/0x1320 [ 1636.147138][ T8657] ? __kthread_parkme+0x166/0x1c0 [ 1636.152139][ T8657] kthread+0x453/0x480 [ 1636.156184][ T8657] ? rcu_lock_release+0x20/0x20 [ 1636.161011][ T8657] ? kthread_blkcg+0xd0/0xd0 [ 1636.165573][ T8657] ret_from_fork+0x1f/0x30 [ 1636.171261][ T8657] Kernel Offset: disabled [ 1636.175569][ T8657] Rebooting in 86400 seconds..